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goblue's Avatar
 
Join Date: Nov 2002
Location: Ann Arbor
Posts: 7
Rebuild 1968 sporto engine

Hi,
I am looking to rebuild a 1968 sportomatic engine and would like any recomendations on heads and cylinders. I have read some negative feedback on QSC products so I want to know anything on rebuilding this car. Pistons and cylinders have to be replaced.
Paulo

Old 09-12-2007, 05:20 PM
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304065's Avatar
 
Join Date: Dec 2001
Posts: 9,569
Well, you can find Biral cylinders used and have them honed. 2,0 liter heads are fairly inexpensive, but the valves are very expensive. Consider a company called SI valves for stainless replacements for the original ATE, which are still available, but cost prohibitive for all but the most dedicated restorers.
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'66 911 #304065 Irischgruen
‘96 993 Carrera 2 Polarsilber
'81 R65
Ex-'71 911 PCA C-Stock Club Racer #806 (Sold 5/15/13)
Ex-'88 Carrera (Sold 3/29/02)
Ex-'91 Carrera 2 Cabriolet (Sold 8/20/04)
Ex-'89 944 Turbo S (Sold 8/21/20)
Old 09-12-2007, 05:26 PM
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Are there any brands of cylinders or pistons I should avoid? What about the nikaseal ones? Sorry I am totally new to rebuilding porsche. I am not actually doing the rebuild but I want to purchase good parts but not put a ton of money in this engine. I have had people tell me that there should not be too much money dumped into this engine. Any info is greatly appriciated!
Old 09-12-2007, 05:56 PM
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Use the search feature, in particular for the terms "QSC" "Mahle" "Biral" "Nikasil"

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'66 911 #304065 Irischgruen
‘96 993 Carrera 2 Polarsilber
'81 R65
Ex-'71 911 PCA C-Stock Club Racer #806 (Sold 5/15/13)
Ex-'88 Carrera (Sold 3/29/02)
Ex-'91 Carrera 2 Cabriolet (Sold 8/20/04)
Ex-'89 944 Turbo S (Sold 8/21/20)
Old 09-13-2007, 12:09 AM
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